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Stock-Based Compensation (Schedule of Companys Activity) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Number of shares
Outstanding, beginning balance (in shares)	3,366	3,349
Granted (in shares)	516	762
Exercised (in shares)	(537)	(670)
Canceled (in shares)	(122)	(75)
Outstanding, ending balance (in shares)	3,223	3,366
Exercisable (in shares)	1,480
Weighted-average exercise price per share
Outstanding, beginning balance (in dollars per share)	$ 255.32	$ 219.40
Granted (in dollars per share)	405.20	333.45
Exercised (in dollars per share)	195.07	157.85
Canceled (in dollars per share)	312.97	304.56
Outstanding, ending balance (in dollars per share)	287.15	$ 255.32
Exercisable (in dollars per share)	$ 219.68
Weighted-average contractual term, outstanding (in years)	6 years 7 months 9 days	6 years 9 months 14 days
Weighted-average contractual term, exercisable (in years)	4 years 10 months 24 days
Aggregate intrinsic value, outstanding	$ 659.9	$ 591.7
Aggregate intrinsic value, exercisable	$ 402.8

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Net number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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